Seducing a woman is a process, in most cases a difficult and long process so choose your battles, you don't go into war fighting the strongest enemy, instead you pick the battle you can win in the most efficient and cost effective way. Here is an analogy, low and borderline medium interest girls is like fighting a well equipped army, whereas high interest women is like fighting a developing nation.
A man can only fight so many battles before they get drained physically, mentally and spiritually; so the best course of action is to stop fighting a difficult battle or a losing battle with a woman. If a woman is deliberately being obstructive to date or she is not committing to a plan from the beginning of the courtship then its already a lost battle and you should begin to walk away to an easier battle. She probably doesn't like you, doesn't like you enough or is entangled with another guy whom she prefers.